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參數(shù)資料
| 型號： | HA16114PJ |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關穩(wěn)壓器 |
| 文件頁數(shù)： | 12/38頁 |
| 文件大小： | 275K |
| 代理商： | HA16114PJ |
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HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
12
4. PWM Output Circuit and Power MOSFET Driving Method
These ICs have built-in totem-pole push-pull drive circuits that can drive a power MOS FET as shown in
figure 4.1. The power MOS FET can be driven directly through a gate protection resistor.
If V
IN
exceeds the gate breakdown voltage of the power MOS FET additional protective measures should
be taken, e.g. by adding Zener diodes as shown in figure 4.2.
To drive a bipolar power transistor, the base should be protected by voltage and current dividing resistors
as shown in figure 4.3.
P.GND
To C
L
R
G
OUT
V
IN
Bias
circuit
V
O
Gate protection
resistor
Totem-pole output circuit
Example:
P-channel power MOSFET
Figure 4.1 Connection of Output Stage to Power MOS FET
OUT
GND
V
IN
R
G
D
Z
V
O
Example: N-channel power MOSFET
Figure 4.2 Gate Protection by Zener Diodes
OUT
GND
V
IN
V
O
Base discharging resistor
Example: NPN power transistor
Base current
limiting resistor
Figure 4.3 Driving a Bipolar Power Transistor
相關PDF資料 |
PDF描述 |
|---|---|
| HA16120FPJ | CAP 1000PF 25V 5% NP0(C0G) SMD-0603 TR-7 PLATED-NI/SN |
| HA16117FA | CMOS Watchdog Timer |
| HA16117FB | CMOS Watchdog Timer |
| HA16117FC | CMOS Watchdog Timer |
| HA16117FPA | CMOS Watchdog Timer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HA16116 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Switching Regulator for Chopper Type DC/DC Converter |
| HA16116FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Switching Regulator for Chopper Type DC/DC Converter |
| HA16116FP/FPJ/ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HA16116FP/FPJ/ HA16121FP/FPJ Datasheet 443K/SEP.18.03 |
| HA16116FP-E | 制造商:Renesas Electronics 功能描述:DC DC Cntrlr Dual-OUT PWM DC to DC Controller/Step Down 20-Pin SOP Bulk |
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